package main

import (
	"fmt"
	"io/fs"
	"os"
	"path/filepath"
	"strings"

	"github.com/gotk3/gotk3/gtk"
)

type Config struct {
	Name    string
	File    string
	Content string
}

func GetConfigs(directory string) []*Config {
	configs := []*Config{}
	directory = fmt.Sprintf("%s/", strings.TrimRight(directory, "/"))

	filepath.WalkDir(directory, func(path string, info fs.DirEntry, err error) error {
		if err != nil {
			return err
		}

		if info.IsDir() {
			return nil
		}

		basename := string(info.Name())

		if !strings.HasSuffix(basename, ".conf") {
			return nil
		}

		if strings.Contains(strings.ReplaceAll(path, directory, ""), "/") {
			return nil
		}

		data, err := os.ReadFile(path)
		ExitIfErr(err, "os.ReadFile")

		configs = append(configs, &Config{
			Name:    strings.ReplaceAll(basename, ".conf", ""),
			File:    path,
			Content: string(data),
		})

		return nil
	})

	return configs
}

func SaveConfig(textarea *gtk.TextView, config *Config) {
	buffer, err := textarea.GetBuffer()
	ExitIfErr(err, "textarea.GetBuffer")

	start, end := buffer.GetBounds()

	text, err := buffer.GetText(start, end, true)
	ExitIfErr(err, "buffer.GetText")

	if config.Content != text {
		config.Content = text
		os.WriteFile(config.File, []byte(text), 600)
		Notify("Success", "Configuration updated")
	} else {
		Notify("Info", "Configuration not updated")
	}
}